more than 160 people were killed in 60 hours of terror, blamed on militants based in pakistan. these latest bombs have been described as relatively crude and possibly the work of local militants. whoever is behind them, they have shown that india's largest city is still vulnerable. >> the bbc will be in mumbai with the latest details on the attack. >> it is very important to remember that it is still early in the primary investigation being carried out. given a small scale of the attacks that we have seen, it may be a local were involved. it is still a important to remember that much information has to come out of these investigations and only then are we likely to see a clearer picture. >> mumbai is on alert. there were three toward native blass, after all. what security measures are being taken to prevent more? >> the certainly, the blast took place -- or the news assertive out and the city was put on -- the news sorted out and the city was put on high alert. there is more surveillance of the streets. however, mumbai is showing resilience. they can deal with this and move on.